I looked on their POEA website and this comes up so they are listed..
Perhaps others here will know more about them.


BISON MANAGEMENT CORPORATION&nbspService Contractor
GF,2F&3F(LW) BMH CTR 3963 YAGUE ST STA CRUZ MAKATI
Tel No/s : &nbsp8964667 TO 69 / 7297124
Email Address : &nbspinfo@bisonph.com
Website : &nbspwww.bisonph.com
Official Representative : MARITES A. CAMILOSA
Status : Good Standing
License Validity : 12/20/2010 to 12/19/2014